expert Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [22] → [15, _] → [10, 5, _]

Show answer

Answer: Row3[3]=2, Row2[2]=7

SubType
number-pyramid
Difficulty
expert
Levels
  • [22]
  • [15,7]
  • [10,5,2]
Base
  • 10
  • 5
  • 2
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":2}
  • {"r":1,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [25] → [_, _] → [7, 8, 2]

Show answer

Answer: Row2[1]=15, Row2[2]=10

SubType
number-pyramid
Difficulty
expert
Levels
  • [25]
  • [15,10]
  • [7,8,2]
Base
  • 7
  • 8
  • 2
TopValue
25
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":1,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [4, 10, 5]

Show answer

Answer: Row1[1]=29, Row2[1]=14

SubType
number-pyramid
Difficulty
expert
Levels
  • [29]
  • [14,15]
  • [4,10,5]
Base
  • 4
  • 10
  • 5
TopValue
29
HiddenCells
  • {"r":0,"c":0,"v":29}
  • {"r":1,"c":0,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [4, 9] → [2, 2, _]

Show answer

Answer: Row3[3]=7, Row1[1]=13

SubType
number-pyramid
Difficulty
expert
Levels
  • [13]
  • [4,9]
  • [2,2,7]
Base
  • 2
  • 2
  • 7
TopValue
13
HiddenCells
  • {"r":2,"c":2,"v":7}
  • {"r":0,"c":0,"v":13}